Huawei H12-261_V3.0-ENU Dumps : HCIE-Routing & Switching (Written) V3.0

H12-261_V3.0-ENU real exams

Exam Code: H12-261_V3.0-ENU

Exam Name: HCIE-Routing & Switching (Written) V3.0

Updated: Jul 16, 2026

Q & A: 485 Questions and Answers

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Huawei H12-261_V3.0-ENU Exam Syllabus Topics:

SectionObjectives
Topic 1: Network Services and Security- Network security
  • 1. ACLs and traffic filtering
    • 2. Device hardening and control plane protection
      - Network services
      • 1. DHCP, NAT, and multicast
        Topic 2: Advanced IP Network Design- Enterprise network architecture design
        • 1. Scalability and redundancy design
          • 2. Hierarchical network design principles
            - IPv4/IPv6 deployment planning
            • 1. Dual-stack deployment
              • 2. Addressing design and migration strategies
                Topic 3: Network Optimization and Troubleshooting- Fault diagnosis
                • 1. Protocol troubleshooting methodologies
                  • 2. Routing convergence issues
                    - Performance optimization
                    • 1. QoS mechanisms and traffic engineering
                      Topic 4: MPLS and VPN Technologies- MPLS architecture
                      • 1. Label distribution and forwarding
                        - VPN implementations
                        • 1. L2VPN and VPLS concepts
                          • 2. L3VPN design and deployment
                            Topic 5: Routing Protocols and Technologies- IGP protocols
                            • 1. IS-IS fundamentals and tuning
                              • 2. OSPF advanced features and optimization
                                - EGP protocols
                                • 1. BGP policy control and optimization
                                  • 2. Route reflection and confederation

                                    Huawei HCIE-Routing & Switching (Written) V3.0 Sample Questions:

                                    1. In the MPLS-BGP-VPN environment, if the label is only distributed through BGP or LDP, the MPLS label of the packet has at most two layers of labels.

                                    A) True
                                    B) False


                                    2. An OSPF protocol is running on a company network. An engineer wants to understand the OSPF mechanism to perform packet capture operations on the network, which of the following description about the OSPF packet is correct? (Multiple Choice)

                                    A) The LS Update message is sent only when the adjacency is established.
                                    B) LS Update message synchronizes the link state database by sending detailed LSA information.
                                    C) After receiving the LS Update message, the router must send LS Ack to confirm.
                                    D) Sending Hello packets immediately after the interface joins the OSPF area.


                                    3. When the IPv6 address of the host is configured using stateless address configuration, and other parameters other than the address are obtained through DHCPv6, how should the M and 0 bits in the RA message be set?

                                    A) M=0 0=0
                                    B) M=0 0=1
                                    C) M=1 0=0
                                    D) M=1 0=1


                                    4. Which of the following parameters are modified, and then the IS-IS neighbor relationship needs to be re-established? (Multiple choice)

                                    A) Modify the IH transmission interval of the IS-IS interface
                                    B) Modify the level of the IS-IS interface
                                    C) Modify the cost value of the IS-IS interface
                                    D) Modify the IP address of the IS-IS interface


                                    5. When the ABR is NSSA region of the 5/7 type LSA when changing dedicated router, then the ABR can 7 classes LSA converted from 5 classes LSA polymerization.

                                    A) True
                                    B) False


                                    Solutions:

                                    Question # 1
                                    Answer: A
                                    Question # 2
                                    Answer: B,D
                                    Question # 3
                                    Answer: B
                                    Question # 4
                                    Answer: B,D
                                    Question # 5
                                    Answer: A

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